When one laughs so hard they spew their beer out all over a fellow friends face. It has to be returned vice versa in order to become "Beer Brothers".
by PJS0911 April 30, 2016
two boys or males who have such a strong bond that’s its unbelievable, they’re called beer brothers because everyone else is to pussy to drink .
they usually called bb
they usually called bb
by hdjekensbe@icloud.com June 9, 2019